(a) Three types of cases in which the Supreme Court exercises its Original Jurisdiction include : 

(i) Dispute between the government of India and one or more states, 

(ii) Dispute between the government of India and one or more states on one side and one or more states on the other, and 

(iii) Dispute between two or more states. 

(b) Three ways by which the Constitution ensures the independence of the Judiciary : 

(i) Though the Judges are appointed by the President, he/she has to consult the senior judges. 

(ii) The salaries and perks of the Judges cannot be changed to their disadvantage unless there is a Financial Emergency. 

(iii) The Judges have complete freedom to announce their decisions and discussions in the Court Chambers. 

(c) (i) Advisory Jurisdiction  The Supreme Court has the power to advise the President whenever asked. However, this advice is not binding on the President. 

(ii) Revisory Jurisdiction  The Supreme Court has the power to review its own judgment.